Butterfly Wing nut DIN315 is a nut with two rounded wing-shaped protrusions, commonly used for use with bolts and machine screws. This unique design allows you to rotate and tighten the nut with your thumb and index finger without the need for a wrench or other tools, ensuring easy and fast assembly and disassembly using only your fingers. DIN 315 Butterfly Wing Nut is suitable for many applications that require fast manual tensioning and clamping.
Product Data
Specification
Mon
M4
M5
M6
M8
M10
M12
P
0.7
0.8
1
1.25
15
1.75
dk max
9
12
14
16
21
24
dk min
7
9
11
13
18
21
d1 max
7
9
11
12.5
16
19
d1 min
5.5
7.5
9
10.5
14
17
L max
21
26.5
32
38
50
66
L min
19
24.5
29
35
47
63
y min
1.1
1.5
1.5
2
3.6
4.1
h max
11
13
16
19
24
32
h min
9
11
14
17
22
29
k max
4.6
6
7
8.5
10
13
k min
3.2
4
5
6.5
8
10
Applications
Building Insulation: Primarily used in the installation of thermal insulation systems in residential, commercial, and industrial buildings.
External Wall Insulation: Often used in External Thermal Insulation Composite Systems (ETICS) to fix insulation boards to external walls.
Roof Insulation: Suitable for securing insulation materials on roofs to enhance energy efficiency and thermal performance.
Floor Insulation: Utilized in floor insulation systems to prevent heat loss through the flooring and improve overall energy efficiency.
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